A wearable multiband monopole antenna for digital television and wireless communications

Michalopoulou, A.; Alexandridis, Antonis A.; Zervos, T.; Lazarakis, F.

doi:10.1109/eucap.2014.6902041

Cited by 5 publications

(4 citation statements)

References 13 publications

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“…Furthermore, to establish a reliable and sensible link, multiband antennas are gaining huge interest in the wearable industry. A wearable multiband monopole antenna has been proposed [12] with a significant footprint. Because of the significant dimensions of the antenna, this design is not ideal for wearable devices.…”

Section: Introductionmentioning

confidence: 99%

Design of Ultra-miniaturized Wearable Antenna for Bio-telemetry Applications

Reddy¹,

Rao²,

Krishna³

et al. 2023

PIER C

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In this paper, an ultra-miniaturized, planar dual-band wearable antenna is proposed for biotelemetry applications. The proposed antenna covers the 433 MHz and 915 MHz Industrial, Scientific, and Medical (ISM) bands with a compact volume of 0.000000384λ 3 0 . The antenna consists of a meander line on the top side of the substrate, while the backside is loaded with an inductive grid structure to achieve miniaturization. Moreover, the absence of vias in the design of the antenna offers a significant benefit in terms of simplifying the fabrication process. The design approach considers the integration of other components for device-level architecture. The antenna exhibits stable performance when being placed on different human body parts, such as the head and hand. The evaluated specific absorption rate (SAR) complies with the regulated human safety standard. Additionally, the link margin (LM) calculation shows that the antenna could establish a biotelemetry communication link at a distance of 20 meters.

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Section: Introductionmentioning

confidence: 99%

Design of Ultra-miniaturized Wearable Antenna for Bio-telemetry Applications

Reddy¹,

Rao²,

Krishna³

et al. 2023

PIER C

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show abstract

“…This has led to the development of more and more antennas that can be used while being worn by a human. It has however been shown that human loading, due to the proximity between an antenna worn by a human and the human in question, can have an adverse effect on antenna performance …”

Section: Introductionmentioning

confidence: 99%

“…It has however been shown that human loading, due to the proximity between an antenna worn by a human and the human in question, can have an adverse effect on antenna performance. 4,5 The antenna in Ref. 3 managed to solve the human loading issues in the 2.4 GHz medical band.…”

mentioning

confidence: 99%

Antenna with a reactive impedance substrate for mine rescue applications

Roestorff

Odendaal

Joubert

2018

Micro & Optical Tech Letters

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Two electrically small, reactive impedance surface (RIS) backed, antennas are presented that can be used by rescue workers to locate miners in emergency situations in underground mines. One antenna was designed for optimum impedance bandwidth and the other for compact size, with at least 5% impedance bandwidth. At 433 MHz both antennas have maximum gain values above 5 dBi, and both antennas radiate on average at least 10 dB more power in the front hemisphere than in the rear hemisphere, to reduce interaction with the wearer and aid in locating the missing miners. The first antenna, a planar monopole antenna with RIS backplane had a −10 dB reflection coefficient bandwidth of 25.1%, and a form factor of 0.4 λ0 by 0.4 λ0 by 0.069 λ0. The second antenna, a loaded planar monopole antenna with RIS backplane had a −10 dB reflection coefficient bandwidth of 5.3%, and a form factor of 0.346 λ0 by 0. 346 λ0 by 0.107 λ0. Measured and simulated results for the two antennas are presented.

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“…It was observed that the antenna reflection coefficient characteristic is degraded to almost −10 dB when applied on the model around the upper arm area. It is notable that in [12], a simple theoretical model and different voxel models were used together to test the performance of the antenna. It has been demonstrated that the wearable antenna is suitable for the DTV band.…”

Section: Introductionmentioning

confidence: 99%

A Novel Digital Phantom Using an Optical Noncontact Measurement System

Yang

Ren

Zhu

et al. 2016

IEEE Life Sci. Lett.

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Digital phantoms are vital for various biomedical researches. Traditional phantoms include theoretical models and voxel models reconstructed from medical images. It has been demonstrated that the homogeneous phantom filled with uniform tissue is accurate enough for wearable antenna design, body-centric channel modeling, etc. Therefore, it is interesting and necessary to investigate the novel approach of generating digital phantoms using an optical noncontact measurement system. In this letter, the point cloud data are first obtained; then, they are simplified via principal component analysis; finally, by applying surface reconstruction and mesh simplification techniques, a digital Chinese phantom is established. To verify the usability of the phantom, numerical calculation is performed to check E-fields at different positions on the body. Results sufficiently prove the feasibility of the train of thought presented in this letter.

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A wearable multiband monopole antenna for digital television and wireless communications

Cited by 5 publications

References 13 publications

Design of Ultra-miniaturized Wearable Antenna for Bio-telemetry Applications

Design of Ultra-miniaturized Wearable Antenna for Bio-telemetry Applications

Antenna with a reactive impedance substrate for mine rescue applications

A Novel Digital Phantom Using an Optical Noncontact Measurement System

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